Pentalkylated
五烃基代的
🗣️ 情景例句
Don't walk on the grass or you'll be in trouble with the law.
不要踏进草地，不然的话法律会找你麻烦的。
You made me feel ashamed of myself.
你让我感到羞愧。
What can you suggest?
你有什么建议吗？